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Slovakia VAT Number Format (SK1234567890)

Daň z pridanej hodnoty (DPH) number structure, regex & verified examples

Everything you need to know about Daň z pridanej hodnoty (DPH) numbers in Slovakia — they follow the pattern SK + 10 digits (e.g. SK1234567890), and can be verified against VIES. For the rates themselves, see Slovakia VAT rates and their history. Building a check into your app? See the Slovakia VAT API.

The standard DPH rate has been 23% since 2025, up from 20%.

EU Member StateDPH — Daň z pridanej hodnotyEUR

VAT Number Format

Structure

SK + 10 digits

Example format

SK1234567890

Regex

^SK\d{10}$

VAT numbers are not case-sensitive – lowercase input is automatically normalised. See how this format compares across all 27 EU countries.

Company and Tax Identifiers in Slovakia

What the registrar, the register and each identifier are called, in every official language and in English. These are names, not numbers.

Company registrar
  • Slovak: registrový súd
  • English: registry court
Company register
  • Slovak: Obchodný register
  • English: Commercial Register
Register number
  • Slovak: identifikačné číslo
  • English: identification number
Tax ID
  • Slovak: DIČ
  • English: tax identification number
VAT ID
  • Slovak: identifikačné číslo pre daň
  • English: VAT identification number

Each name is checked against the registrar’s or tax authority’s own pages or legal text. The same names ship in eu-vat-rates-data.json and in GET /v1/rates.

More on Slovakia

What we return for Slovakia

Slovak VAT numbers are checked against VIES. A valid result also returns company name and address and national tax number (DIČ).

  • VIES validation (valid / not valid)
  • Company name & address
  • National registry ID
  • National tax number
  • Founded date
  • Legal form
  • Industry
  • National register answers if VIES is down

See the full coverage table for all 27 EU member states + Northern Ireland →

Famous Slovakia VAT Numbers

Orange Slovensko a.s.

SK2020310578

Slovakia's largest mobile operator

Verify →

Slovak Telekom a.s.

SK2020273893

Slovak incumbent telecom (Deutsche Telekom)

Verify →

Tatra banka a.s.

SK7020000944

Slovak bank (Raiffeisen Group)

Verify →

VÚB banka a.s.

SK7020000207

Slovak bank (Intesa Sanpaolo Group)

Verify →

Slovenská sporiteľňa a.s.

SK7020000262

Slovakia's largest bank (Erste Group)

Verify →

Slovenský plynárenský priemysel a.s.

SK2020259802

Slovakia's largest gas utility (SPP)

Verify →

Check a Slovakia VAT Number

Enter a DPH number starting with SK to verify it against VIES.

Format: SK + 10 digits

Example:

Validate a Slovakia SK VAT number via API

Get Slovakia VAT rates via API — free, no key

No API key required
Request
curl "https://api.vatnode.dev/v1/rates/SK"
Response200 OK
{
  "countryCode": "SK",
  "countryName": "Slovakia",
  "isEU": true,
  "vatName": "Daň z pridanej hodnoty",
  "vatAbbr": "DPH",
  "currency": "EUR",
  "standardRate": 23,
  "reducedRates": [
    19,
    5
  ],
  "superReducedRate": null,
  "parkingRate": null,
  "vatNumberFormat": "SK + 10 digits",
  "vatNumberPattern": "^SK\\d{10}$",
  "identifiers": {
    "registryAuthorityName": {
      "sk": "registrový súd",
      "en": "registry court"
    },
    "registryName": {
      "sk": "Obchodný register",
      "en": "Commercial Register"
    },
    "registryCodeName": {
      "sk": "identifikačné číslo",
      "en": "identification number"
    },
    "taxIdName": {
      "sk": "DIČ",
      "en": "tax identification number"
    },
    "vatIdName": {
      "sk": "identifikačné číslo pre daň",
      "en": "VAT identification number"
    }
  },
  "updatedAt": "2026-11-12"
}

View full rates API reference →

Get Slovakia VAT rates via package — offline, no HTTP

eu-vat-rates-data
Request
# npm install eu-vat-rates-data
import { getRate } from 'eu-vat-rates-data'

const rate = getRate('SK')
console.log(rate.standard) // SK standard VAT rate
getRate() result200 OK
{
  "country": "Slovakia",
  "currency": "EUR",
  "eu_member": true,
  "vat_name": "Daň z pridanej hodnoty",
  "vat_abbr": "DPH",
  "standard": 23,
  "reduced": [
    5,
    19
  ],
  "super_reduced": null,
  "parking": null,
  "format": "SK + 10 digits",
  "pattern": "^SK\\d{10}$",
  "identifiers": {
    "registry_authority_name": {
      "sk": "registrový súd",
      "en": "registry court"
    },
    "registry_name": {
      "sk": "Obchodný register",
      "en": "Commercial Register"
    },
    "registry_code_name": {
      "sk": "identifikačné číslo",
      "en": "identification number"
    },
    "tax_id_name": {
      "sk": "DIČ",
      "en": "tax identification number"
    },
    "vat_id_name": {
      "sk": "identifikačné číslo pre daň",
      "en": "VAT identification number"
    }
  }
}

View package on GitHub →

Validate Slovakia SK VAT numbers

Requires API key
Request
curl "https://api.vatnode.dev/v1/vat/SK2020310578" \
  -H "Authorization: Bearer YOUR_API_KEY"
Response200 OK
{
  "valid": true,
  "vatId": "SK2020310578",
  "countryCode": "SK",
  "companyName": "Orange Slovensko a.s.",
  "companyAddress": null,
  "companyRegistrationDate": null,
  "companyForm": null,
  "industryDescription": null,
  "registryCode": null,
  "registryCodeName": null,
  "taxId": "2020310578",
  "taxIdName": "DIČ",
  "commercialName": null,
  "companyStatus": null,
  "secondaryActivities": [],
  "companyAgeYears": null,
  "registryPrivacy": false,
  "verifiedAt": "2026-04-25T12:00:00.000Z",
  "checkId": "019dc41e-d64d-7255-8ed7-cf5443103cd8",
  "countryName": "Slovakia",
  "countryVat": {
    "vatName": "Daň z pridanej hodnoty",
    "vatAbbr": "DPH",
    "currency": "EUR",
    "standardRate": 23,
    "reducedRates": [
      19,
      5
    ],
    "superReducedRate": null,
    "parkingRate": null,
    "vatNumberFormat": "SK + 10 digits",
    "vatNumberPattern": "^SK\\d{10}$",
    "identifiers": {
      "registryAuthorityName": {
        "sk": "registrový súd",
        "en": "registry court"
      },
      "registryName": {
        "sk": "Obchodný register",
        "en": "Commercial Register"
      },
      "registryCodeName": {
        "sk": "identifikačné číslo",
        "en": "identification number"
      },
      "taxIdName": {
        "sk": "DIČ",
        "en": "tax identification number"
      },
      "vatIdName": {
        "sk": "identifikačné číslo pre daň",
        "en": "VAT identification number"
      }
    },
    "countryVatUpdatedAt": "2026-11-12"
  },
  "consultationNumber": null,
  "specialTerritory": null,
  "source": "VIES"
}

View full API response schema →

Frequently Asked Questions

What is the VAT number format in Slovakia?▾

VAT numbers in Slovakia follow the format: SK + 10 digits. Example: SK1234567890. VAT numbers are not case-sensitive – lowercase input is automatically normalised.

What is the VAT number regex pattern in Slovakia?▾

Use this regular expression to validate VAT numbers in Slovakia DPH number format locally:

^SK\d{10}$

Test against the uppercase number. Format validation catches typos locally — always follow with a VIES check to confirm the number is active.

How do I validate a VAT number in Slovakia programmatically?▾

Send a GET request to https://api.vatnode.dev/v1/vat/{vatId} with your Authorization: Bearer header. The API checks the number against VIES and returns a JSON response with a valid field, company name, address, and current DPH rates. Free plan available — 100 requests/month, no credit card required.

What does DPH stand for in Slovakia?▾

DPH stands for Daň z pridanej hodnoty — the Slovak name for Value Added Tax (VAT). It appears on Slovak invoices and tax documents.

VAT Number Formats for Other EU Countries

Validate Slovakia VAT numbers in your app

Use the vatnode API to automate DPH validation in your invoicing or checkout flow. Free plan available, no credit card required.

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